U(x)−W(x)=(4x3−3x)−(x4−2x3−3x)=4x3−3x−x4+2x3+3x=−x4+6x3
W(x)+2U(x)−12V(x)=(x4−2x3−3x)+2(4x3−3x)−12(−3x2−6x+2)=(x4−2x^
3−3x)+(8x3−6x)+32x2+3x−1=x4+6x3+32x2−6x−1
U(x)*V(x)+W(x)=(4x3−3x)*(−3x2−6x+2)+(x4−2x3−3x)=−12x5−24x4+8x3+9x3+1
8x−6x+x4−2x3−3x=−12x5−23x4+15x3+9x





